Purpose of Review Pulmonary vein (PV) isolation is the cor- cially in non-paroxysmal AF patients, to modify the diseased nerstone of atrial fibrillation (AF) ablation. However, the atrial substrate and eliminate the non-PV triggers, which in long-term procedural outcome remains suboptimal and there turn improve the ablation outcome. is a frequent need for repeat ablation procedure, especially in . . . patients with non-paroxysmal AF. The review article summa- Keywords Ablation Atrial fibrillation Non-paroxysmal . . rizes the rationales, recent evidences, and strategies of ablation Pumlonary vein Rotor Substrate of extra-PV sites and its clinical outcomes. Recent Findings It is a consensus that durable PV isolations are a definite therapy in patients with paroxysmal AF. In non- Introduction paroxysmal AF, many laboratories still believe that adequate substrate ablation outside PVs is definitely required. Empirical More than a decade ago, catheter ablation of atrial fibrillation linear ablation is not recommended because of difficulty in (AF) was introduced as a method for maintaining sinus rhythm achieving complete linear block, unless macro-reentry atrial [1, 2]. Percutaneous catheter ablation is now widely used as an tachycardia developed during procedure. Most of laboratories interventional tool for non-pharmacological AF rhythm control, applied complex fractionated atrial
Current Cardiology Reports – Springer Journals
Published: Aug 9, 2017
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